1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind 4*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdefine void @test1(i8* %a) { 7*9880d681SAndroid Build Coastguard Worker tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 false) 8*9880d681SAndroid Build Coastguard Worker ret void 9*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define void @test1( 10*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret void 11*9880d681SAndroid Build Coastguard Worker} 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Worker; PR8267 15*9880d681SAndroid Build Coastguard Workerdefine void @test2(i8* %a) { 16*9880d681SAndroid Build Coastguard Worker tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 true) 17*9880d681SAndroid Build Coastguard Worker ret void 18*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define void @test2( 19*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: call void @llvm.memcpy 20*9880d681SAndroid Build Coastguard Worker} 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerdefine void @test3(i8* %d, i8* %s) { 23*9880d681SAndroid Build Coastguard Worker tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %d, i8* %s, i64 17179869184, i32 4, i1 false) 24*9880d681SAndroid Build Coastguard Worker ret void 25*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define void @test3( 26*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: call void @llvm.memcpy 27*9880d681SAndroid Build Coastguard Worker} 28